Pump coffee brewer
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Solution Overview
Problem
Existing coffee brewing methods, such as French Press and single-serve pod systems, face challenges in efficiently preparing individual servings with ease of preparation and effective sediment removal, while also providing a strong and sediment-free coffee experience.
Innovation Solution
A pump coffee brewer with a deformable pump assembly and a brew chamber assembly that includes a filtration system, allowing for manual pressure generation to separate coffee grounds from brewed coffee, and the ability to interface with coffee mugs for direct filling, along with options for using prepackaged or reusable pods for brewing.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Ease of operation
If French Press is used for brewing individual servings, then ease of preparation and strong coffee are achieved, but sediment removal is insufficient
Solution Approach 1:
The filtration system is segmented into multiple components: a permanent filter for initial filtration and a disposable fine filter for final sediment removal. This multi-stage segmentation approach effectively separates coffee grounds from brewed coffee while maintaining ease of operation.
Solution Approach 2:
The harmful sediment is extracted from the brewed coffee through the filtration assembly. The disposable fine filter specifically targets and removes fine sediment particles that pass through the permanent filter, delivering a clean cup of coffee.
2Productivity
If traditional drip or percolating equipment is used for large volumes, then productivity is improved, but individual serving quality and strength are compromised
Solution Approach 1:
The system allows dynamic adjustment between brewing modes. Users can brew individual servings with full French Press immersion for strength and quality, or scale up to larger volumes while maintaining the same filtration and brewing principles, thus adapting to different productivity needs without sacrificing quality.
3Ease of operation
If self-contained pod machines are used for individual servings, then ease of operation and productivity are improved, but device complexity and cost increase
Solution Approach 1:
The pump coffee brewer is designed as a universal system that can accommodate both prepackaged pods and reusable/refillable pods. This multi-functionality allows users to choose their preferred pod type without requiring different machines, simplifying the overall system while maintaining ease of operation and productivity.
4Device complexity
If vacuum relief is not provided in the brew chamber, then device complexity is reduced, but brewing reliability deteriorates due to vacuum formation during cooling
Solution Approach 1:
The air flow valve is designed to automatically relieve vacuum conditions in the brew chamber during cooling without requiring user intervention. The valve opens passively when pressure differential exceeds a threshold, allowing air to enter and equalize pressure, thus maintaining brewing reliability while minimizing added complexity.
Applied Scientific Principles
This section explains which scientific principles are used to turn an abstract innovation direction into a practical engineering solution.
Function Achieved in This Case
Enables the preparation of individual servings of freshly brewed coffee on demand, with effective sediment removal and the option to use prepackaged or reusable pods, providing a strong and sediment-free coffee experience.
Implementation Method 1
a pump assembly and a brew chamber assembly, whereby user manipulation of the pump assembly directs heated water through ground coffee to form freshly brewed coffee
Implementation Method 2
a filtration assembly for directly brewing coffee from ground coffee
Implementation Method 3
The pump assembly can comprise an air flow valve to relieve any vacuum formed within the brew chamber assembly as heated water within the brew chamber assembly begins to cool
Data Source
AI summary
Apparatus and related methods for brewing or making individual servings of a brewed beverage with a manual pump brewer. The manual pump brewer can include a pump assembly and a brew chamber assembly, whereby user manipulation of the pump assembly directs a heated liquid through a brewing media to form a serving of a freshly brewed beverage. The manual pump brewer can include a filter assembly for directly brewing a beverage from a brewing media provided by a user. Alternatively, the manual pump brewer can receive individual pods having a single serving of a brewing media such that the pump assembly directs the heated liquid through the individual pod to brew each serving of the brewed beverage.